EP1814752A1 - Ventilator flap for a ventilation system in a vehicle cabin - Google Patents

Ventilator flap for a ventilation system in a vehicle cabin

Info

Publication number
EP1814752A1
EP1814752A1 EP05815078A EP05815078A EP1814752A1 EP 1814752 A1 EP1814752 A1 EP 1814752A1 EP 05815078 A EP05815078 A EP 05815078A EP 05815078 A EP05815078 A EP 05815078A EP 1814752 A1 EP1814752 A1 EP 1814752A1
Authority
EP
European Patent Office
Prior art keywords
ring
duct
aerator
air flow
diffusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05815078A
Other languages
German (de)
French (fr)
Other versions
EP1814752B1 (en
Inventor
Pierre Guerreiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faurecia Interieur Industrie SAS
Original Assignee
Faurecia Interieur Industrie SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Faurecia Interieur Industrie SAS filed Critical Faurecia Interieur Industrie SAS
Publication of EP1814752A1 publication Critical patent/EP1814752A1/en
Application granted granted Critical
Publication of EP1814752B1 publication Critical patent/EP1814752B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/34Nozzles; Air-diffusers
    • B60H1/345Nozzles; Air-diffusers with means for adjusting divergence, convergence or oscillation of air stream
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/34Nozzles; Air-diffusers
    • B60H2001/3471Details of actuators
    • B60H2001/3478Details of actuators acting on additional damper doors

Definitions

  • Ventilation system ventilator of the passenger compartment of a vehicle.
  • the invention relates to the automotive industry, and more specifically the devices for injecting air into the passenger compartment, constituting the terminal part of the heating, ventilation and air conditioning systems of the vehicles.
  • the air flows injected into the passenger compartment are of two kinds.
  • the flows intended to be directed directly on the occupants of the vehicle penetrate into the passenger compartment by fixed or adjustable aerators.
  • Flows intended for indirect distribution in the passenger compartment penetrate through soft diffusion grids totally separate from the aerators.
  • two different classes of broadcasting means are therefore used.
  • the object of the invention is to provide a new type of aerator that can both ensure the two functions of direct and indirect distribution of ventilation air in the passenger compartment more effectively than those already known.
  • a- p ⁇ ur obj ⁇ ⁇ ⁇ and an aerator ⁇ of ⁇ ⁇ lîystemê die "ventilation of the interior of a motor vehicle, constituting the end portion a main air duct conveying an upstream air flow, said aerator being provided with diffusion means for converting the upstream air flow into a downstream diffusion air flow, directional means for converting the flow of air upstream air in a directional downstream air flow, and control means for switching from one downstream air flow mode to the other by connecting one or the other of the diffusion means and the directional means to said main air duct, characterized in that it comprises a central duct at least partially coaxial with an annular duct, the two ducts having their upstream ends connected to the main air duct and each having at its downstream end one of said diffusion means and said directional means, and a control ring which can be placed between a first position where its function is to close a connection between the central duct and the
  • It may also include means for closing the central duct controlled by the displacement of the ring.
  • Said closure means of the central duct may be constituted by at least one flap.
  • a cylindrical common wall separates the central duct and the annular duct, said common wall is provided with perforations along one of its circumferences, said ring is inserted around said common wall and carries perforations which can by rotating the ring, to at least one angular position, coming in correspondence with said perforations of the common wall, said ring also being able, by rotation to at least one other angular position, to seal said perforations of the common wall .
  • Said diffusion means may comprise one or more perforations formed at the end of said annular duct in the front part of the ring intended to protrude into the passenger compartment of the vehicle when the aerator is mounted in the dashboard.
  • said ring constitutes a
  • the annennial ⁇ lclear 71l comprises means for ensuring a translation of the ring along of its longitudinal axis simultaneously with its rotation to move the ring from a closed position of the annular conduit to a closed position of the central duct.
  • the front portion of the ring may comprise on its periphery a lip which, when the ring is in the maximum recoil position, is intended to come into contact with the outer face of the dashboard to seal the annular duct, when the ring is in an advanced position, its rear end is remote from the outer wall of the aerator so as to allow the passage of at least a portion of the upstream air flow in the annular duct to form the flow of diffusion air, and in this same advanced position, the lip is intended to be moved away from the dashboard so as to define an annular opening through which the flow of diffusion air can enter the passenger compartment.
  • Said means making it possible to ensure a translation of the ring simultaneously with its rotation may comprise one or more helical ribs which are inserted in one or corresponding housings formed on a part integral with the outer wall of the aerator.
  • Said diffusion means may comprise at least one perforation formed on at least a portion of the outer wall of the aerator, and through which the downstream flow of diffusion air enters the passenger compartment.
  • They may then include a flag directing in the passenger compartment the downstream air flow of diffusion out of the perforation.
  • Said ring can preferably be maintained in at least one intermediate position between said first and second positions, so as to simultaneously allow the passage of a downstream flow of diffusion air and a directional downstream air flow in the cockpit.
  • the aerator according to the invention comprises two coaxial ducts each connected to the main air duct. One carries at its downstream end the direct diffusion means, and the other carries at its downstream end the indirect diffusion means.
  • a ring controllable by the user -permetrà-the-EI--aismos choose one of ⁇ ee Fautre "DEIK" typ ⁇ sTdê ⁇ cliffiJsTôn air through the aerator concerned and preferably various compromises between these two types of diffusion.
  • the aerator according to the invention is of simple design and is therefore inexpensive to manufacture.
  • FIG. 1 represents in longitudinal section a first example of an aerator according to the invention, in a direct diffusion position (FIG. ig .1 a) and in indirect diffusion position (fig.ib);
  • FIG. 2 which shows in longitudinal section a second example of aerator according to the invention in the direct diffusion position (fig.2a) and indirect diffusion position (fig.2b);
  • FIG. 3 which shows in longitudinal section a third example of aerator according to the invention in direct diffusion position.
  • a first example of aerator according to the invention is intended to be embedded in an orifice in the dashboard 1 of the vehicle and to be connected, by its upstream end, in a connection zone 2 to a main air duct (not shown), itself connected to the heating, ventilation and air conditioning system of the vehicle.
  • the main air duct brings to the aerator an upstream air flow symbolized by the arrow 3.
  • the aerator Downstream of the connection zone 2, the aerator comprises two coaxial conduits of circular sections, separated by a cylindrical common wall 4.
  • the central duct 5 is dedicated to the passage of a directional downstream air flow, symbolized by the arrows 6, in the passenger compartment 7 of the vehicle.
  • the annular duct 8 is dedicated to the passage of a downstream air flow of diffusion symbolized by the arrows 9.
  • the common wall 4 separating the two ducts 5, 8 is provided with spaced perforations 10 located in its upstream portion and arranged according to a circumference of said common wall 4.
  • the wall of the ring 12 carries spaced perforations 15 which, when the ring 12 is inserted into the aerator, can come into correspondence with the perforations 10 of the common wall 4 if the ring 12 is turned by the user (or a automatically controlled device) of a suitable angle.
  • the upstream air flow 3 has the possibility of passing through the annular duct 8 through the perforations 10, 15, especially if the central duct 5 is closed.
  • the rotation of the ring 12 also controls the movement of a series of flaps 16 (central flap) 17, 18 (front flaps).
  • the central flap 16 is disposed inside the central duct 5 and can rotate about an axis 19 which, in the example shown, is located substantially on the longitudinal axis of the aerator and is perpendicular thereto.
  • the axis 19 is also located downstream of the perforations 10 of the common wall 4.
  • the front flaps 17, 18 at the downstream end of the central duct 5 are supported by a ring 21. They can similarly rotate about axes substantially perpendicular to the longitudinal axis of the aerator. When in the maximum open position ( Figure 1a) they do not interfere with the output of the directional air flow 6 and contribute to its orientation. When they are in the closed position (fig.ib) they contribute to the closing of the central duct 5, for example each coming into abutment on the one hand against the periphery of the central duct 5 and / or on the other hand against a side of the other front panel 17, 18 (case shown in Figure 1b).
  • the ring 12 and the flaps 16, 17, 18 can, at the request of the user, take one or more intermediate positions, preset or not, or even be able to pass continuously continuously, between the two extreme positions that have have been described and represented. It is thus possible to modulate in a more or less fine manner the respective proportions of downstream directional air 6 and downstream diffusion air 9.
  • These intermediate positions could be preset by means of, for example, a notching provided on the periphery of the ring 12.
  • FIG. 2 A second example of aerator according to the invention is shown in Figure 2.
  • the elements common with the example of Figure 1 are identified by the same reference numerals.
  • the lip 24 is located away from the dashboard 1 and thus provides an annular opening 26.
  • the upstream air flow 3 has the possibility of entering the annular duct 8 and exit through the opening 26.
  • the flaps 16, 17, 18 are all in the closed position (the bearing surfaces 20 on which the central flap 16 abuts are here provided on the ring 12), thus closing the central duct 5. It is therefore the entirety of the upstream air flow 3 which is converted in downstream air flow of diffusion 9.
  • one or more intermediate positions between those described and shown may be selectable by the user.
  • the ring 12 is combined with a rotation of the ring 12.
  • the axis of rotation of the ring 12 can be confused with the longitudinal axis of the aerator, the installation of the aerator in the dashboard 1 does not pose any particular problems.
  • the annular duct 8 extends over the entire periphery of the central duct 5, but this characteristic is not mandatory: the annular duct 8 may extend only over a portion of this periphery.
  • FIG. 3 The example of aerator according to the invention shown in Figure 3 has this feature. It is comparable, in its general design, to that of Figure 1, in that the ring 12 is inserted around the common wall 4 of the two central ducts 5 and annular 8 and performs during its movements a pure rotation, without translation . It differs in the following points:
  • downstream diffusion air stream 9 can escape from the annular duct 8 by a single perforation 27 extending on the periphery of the annular duct 8
  • the central flap 16 and the front flaps 17, 18 can be actuated in a synchronized manner by means of rods of such-such-a-action suri'urrd ⁇ s ⁇ wishess " 16, ⁇ ⁇ 7 " 18 " s ⁇ ⁇ repè7c ⁇ T ⁇ on the other.
  • a bond spherical rods allows to turn the ring 21 supporting the front flaps 17, 18 around the longitudinal axis of the aerator independently of the central flap 16, so as to orient the directional downstream air flow 6 as the user wishes.
  • the rotation of the central flap 16 about the axis 19 when the control ring 12 is actuated can be done by a rack and gear system, moving relative to each other when the actuator is actuated.
  • the axis 19 comprises a gear secured to the central flap 16, and the rack is carried by a fixed portion of the aerator.
  • the rack is mounted on the control ring.
  • the shape of the rack is adapted to the pure rotation (case of FIG. 1) or helicoidal rotation (case of FIG. 2) of the control ring 12.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Body Structure For Vehicles (AREA)
  • Air-Flow Control Members (AREA)

Abstract

A ventilator flap, making up the terminal part of a main air duct providing an upstream air flow ( 3 ). The ventilator flap is provided with diffusion elements, directing elements, and control elements for going from one mode to the other which includes a central duct ( 5 ), at least partly coaxial to an annular duct ( 8 ), the two ducts ( 5, 8 ) having the upstream ends thereof ( 2 ) connected to the principal air duct and each having, at the downstream end thereof, one of the diffusion and directing elements and a control bush ( 12 ), which may be displaced between a first position, in which the above serves to close a connection between the central duct ( 5 ) and the annular duct ( 8 ) and a second position in which the above serves to open the connection.

Description

Aérateur de système de ventilation de l'habitacle d'un véhicule. Ventilation system ventilator of the passenger compartment of a vehicle.
L'invention concerne l'industrie automobile, et plus précisément les dispositifs d'injection d'air dans l'habitacle, constituant la partie terminale des systèmes de chauffage, ventilation et climatisation des véhicules.The invention relates to the automotive industry, and more specifically the devices for injecting air into the passenger compartment, constituting the terminal part of the heating, ventilation and air conditioning systems of the vehicles.
Dans les configurations les plus usuelles des systèmes de chauffage, ventilation et climatisation qui équipent les véhicules automobiles, les flux d'air injectés dans l'habitacle sont de deux sortes. Les flux destinés à pouvoir être orientés directement sur les occupants du véhicule pénètrent dans l'habitacle par des aérateurs fixes ou orientables. Les flux destinés à une diffusion indirecte dans l'habitacle y pénètrent à travers des grilles de diffusion douce totalement distinctes des aérateurs. Pour assurer les deux fonctions de diffusion directe et indirecte, on utilise donc deux classes différentes de moyens de diffusion.In the most common configurations of heating, ventilation and air conditioning systems that equip the motor vehicles, the air flows injected into the passenger compartment are of two kinds. The flows intended to be directed directly on the occupants of the vehicle penetrate into the passenger compartment by fixed or adjustable aerators. Flows intended for indirect distribution in the passenger compartment penetrate through soft diffusion grids totally separate from the aerators. To ensure the two functions of direct and indirect diffusion, two different classes of broadcasting means are therefore used.
Afin de simplifier la conception de l'installation de diffusion d'air et de réduire la proportion de la surface de la planche de bord consacrée à cette fonction, il serait souhaitable de pouvoir réaliser ces fonctions au moyen des mêmes classes d'éléments. Une telle solution a déjà été proposée dans le document US-A-2004/0063397, sous la forme d'un aérateur constitué d'un cylindre creux présentant une première grille directionnelle sur une moitié de sa surface et une grille de diffusion sur l'autre moitié de sa surface. Une commande manuelle est à la disposition de l'utilisateur, qui peut choisir entre une diffusion directe et une diffusion indirecte de l'air sans position intermédiaire. Dans cette réalisation, le flux d'air subit un tournant à angle droit entre le flux amont et le flux aval, ce qui est défavorable en termes d'aéraulique et d'acoustique. De plus, le montage du dispositif dans la planche de bord est complexe du fait de la présence d'un axe de rotation devant s'étendre de gauche à droite ou de haut en bas par rapport aux occupants du véhicule.In order to simplify the design of the air diffusion installation and to reduce the proportion of the surface of the dashboard devoted to this function, it would be desirable to be able to perform these functions using the same classes of elements. Such a solution has already been proposed in document US-A-2004/0063397, in the form of an aerator consisting of a hollow cylinder having a first directional grid on one half of its surface and a diffusion grid on the other half of its surface. A manual control is available to the user, who can choose between a direct diffusion and indirect diffusion of air without intermediate position. In this embodiment, the air flow undergoes a right-angle turn between the upstream flow and the downstream flow, which is unfavorable in terms of aeraulics and acoustics. In addition, the mounting of the device in the dashboard is complex because of the presence of an axis of rotation to extend from left to right or from top to bottom relative to the occupants of the vehicle.
Le but de l'invention est de proposer un nouveau type d'aérateur pouvant à la fois assurer les deux fonctions de diffusion directe et indirecte de l'air de ventilation dans l'habitacle plus efficacement que ceux déjà connus.The object of the invention is to provide a new type of aerator that can both ensure the two functions of direct and indirect distribution of ventilation air in the passenger compartment more effectively than those already known.
-A- cet- effet,— l'invention a- pσur~~obj~et~~un aérateur ~de~lîystemê~~" ventilation de l'habitacle d'un véhicule automobile, constituant la partie terminale d'un conduit d'air principal convoyant un flux d'air amont, ledit aérateur étant pourvu de moyens de diffusion pour convertir le flux d'air amont en un flux d'air aval de diffusion, de moyens directionnels pour convertir le flux d'air amont en un flux d'air aval directionnel, et de moyens de commande pour passer d'un mode de flux d'air aval à l'autre par la connexion des uns ou des autres des moyens de diffusion et des moyens directionnels audit conduit d'air principal, caractérisé en ce qu'il comporte un conduit central au moins partiellement coaxial à un conduit annulaire, les deux conduits ayant leurs extrémités amont connectées au conduit d'air principal et chacun ayant à son extrémité aval l'un desdits moyens de diffusion et desdits moyens directionnels, et une bague de commande pouvant être placée entre une première position où elle a pour fonction de fermer une connexion entre le conduit central et le conduit annulaire et une deuxième position où la bague a pour fonction d'ouvrir ladite connexion.-A- cet- effect, - the invention a- pσur obj ~ ~~ ~~ and an aerator ~ of ~ ~~ lîystemê die "ventilation of the interior of a motor vehicle, constituting the end portion a main air duct conveying an upstream air flow, said aerator being provided with diffusion means for converting the upstream air flow into a downstream diffusion air flow, directional means for converting the flow of air upstream air in a directional downstream air flow, and control means for switching from one downstream air flow mode to the other by connecting one or the other of the diffusion means and the directional means to said main air duct, characterized in that it comprises a central duct at least partially coaxial with an annular duct, the two ducts having their upstream ends connected to the main air duct and each having at its downstream end one of said diffusion means and said directional means, and a control ring which can be placed between a first position where its function is to close a connection between the central duct and the annular duct and a second position where the ring has r function to open said connection.
Il peut comporter également des moyens d'obturation du conduit central commandés par le déplacement de la bague.It may also include means for closing the central duct controlled by the displacement of the ring.
Lesdits moyens d'obturation du conduit central peuvent être constitués par au moins un volet.Said closure means of the central duct may be constituted by at least one flap.
Dans une première variante de l'invention, une paroi commune cylindrique sépare le conduit central et le conduit annulaire, ladite paroi commune est pourvue de perforations selon une de ses circonférences, ladite bague est insérée autour de ladite paroi commune et porte des perforations pouvant, par rotation de la bague, jusqu'à au moins une position angulaire, venir en correspondance avec lesdites perforations de la paroi commune, ladite bague pouvant également, par rotation jusqu'à au moins une autre position angulaire, obturer lesdites perforations de la paroi commune.In a first variant of the invention, a cylindrical common wall separates the central duct and the annular duct, said common wall is provided with perforations along one of its circumferences, said ring is inserted around said common wall and carries perforations which can by rotating the ring, to at least one angular position, coming in correspondence with said perforations of the common wall, said ring also being able, by rotation to at least one other angular position, to seal said perforations of the common wall .
Lesdits moyens de diffusion peuvent comporter une ou des perforations ménagées, à l'extrémité dudit conduit annulaire, dans la partie frontale de la bague destinée à faire saillie dans l'habitacle du véhicule lorsque l'aérateur est monté dans la planche de bord. Dans une deuxième variante de l'invention, ladite bague constitue uneSaid diffusion means may comprise one or more perforations formed at the end of said annular duct in the front part of the ring intended to protrude into the passenger compartment of the vehicle when the aerator is mounted in the dashboard. In a second variant of the invention, said ring constitutes a
-paroi-commune-cylindrique- séparanHe^conduit central et le ∞ncluit~annurairè71l comporte des moyens permettant d'assurer une translation de la bague le long de son axe longitudinal simultanément à sa rotation pour faire passer la bague d'une position d'obturation du conduit annulaire à une position d'obturation du conduit central.-common-common-cylindrical wall-separanHe ^ central duct and the annennial ~ lclear 71l comprises means for ensuring a translation of the ring along of its longitudinal axis simultaneously with its rotation to move the ring from a closed position of the annular conduit to a closed position of the central duct.
La partie frontale de la bague peut comporter sur sa périphérie une lèvre qui, lorsque la bague est en position de recul maximal, est destinée à venir au contact de la face externe de la planche de bord pour obturer le conduit annulaire, lorsque la bague est dans une position avancée, son extrémité arrière est éloignée de la paroi externe de l'aérateur de manière à autoriser le passage d'au moins une partie du flux d'air amont dans le conduit annulaire pour constituer le flux d'air de diffusion, et dans cette même position avancée, la lèvre est destinée à être éloignée de la planche de bord de manière à définir une ouverture annulaire par laquelle le flux d'air de diffusion peut pénétrer dans l'habitacle.The front portion of the ring may comprise on its periphery a lip which, when the ring is in the maximum recoil position, is intended to come into contact with the outer face of the dashboard to seal the annular duct, when the ring is in an advanced position, its rear end is remote from the outer wall of the aerator so as to allow the passage of at least a portion of the upstream air flow in the annular duct to form the flow of diffusion air, and in this same advanced position, the lip is intended to be moved away from the dashboard so as to define an annular opening through which the flow of diffusion air can enter the passenger compartment.
Lesdits moyens permettant d'assurer une translation de la bague simultanément à sa rotation peuvent comporter une ou des nervures hélicoïdales qui viennent s'insérer dans un ou des logements correspondants ménagés sur une pièce solidaire de la paroi externe de l'aérateur.Said means making it possible to ensure a translation of the ring simultaneously with its rotation may comprise one or more helical ribs which are inserted in one or corresponding housings formed on a part integral with the outer wall of the aerator.
Lesdits moyens de diffusion peuvent comporter au moins une perforation ménagée sur au moins une portion de la paroi externe de l'aérateur, et par laquelle le flux d'air aval de diffusion pénètre dans l'habitacle.Said diffusion means may comprise at least one perforation formed on at least a portion of the outer wall of the aerator, and through which the downstream flow of diffusion air enters the passenger compartment.
Ils peuvent alors comporter un pavillon orientant dans l'habitacle le flux d'air aval de diffusion sortant de la perforation.They may then include a flag directing in the passenger compartment the downstream air flow of diffusion out of the perforation.
Ladite bague peut, de préférence, être maintenue dans au moins une position intermédiaire entre lesdites première et deuxième positions, de manière à autoriser simultanément le passage d'un flux aval d'air de diffusion et d'un flux d'air aval directionnel dans l'habitacle.Said ring can preferably be maintained in at least one intermediate position between said first and second positions, so as to simultaneously allow the passage of a downstream flow of diffusion air and a directional downstream air flow in the cockpit.
Comme on l'aura compris, l'aérateur selon l'invention comporte deux conduits coaxiaux connectés chacun au conduit d'air principal. L'un porte à son extrémité aval les moyens de diffusion directe, et l'autre porte à son extrémité aval les moyens de diffusion indirecte. Une bague commandable par l'utilisateur -permetrà-celui-ei- de choisir -aisément l'un oir fautre^des" deiK"typësTdê~cliffiJsTôn de l'air par l'aérateur concerné, ainsi que, de préférence, différents compromis entre ces deux types de diffusion. L'aérateur selon l'invention est de conception simple et est donc peu coûteux à fabriquer.As will be understood, the aerator according to the invention comprises two coaxial ducts each connected to the main air duct. One carries at its downstream end the direct diffusion means, and the other carries at its downstream end the indirect diffusion means. A ring controllable by the user -permetrà-the-EI--aisément choose one of ^ ee Fautre "DEIK" typësTdê ~ cliffiJsTôn air through the aerator concerned and preferably various compromises between these two types of diffusion. The aerator according to the invention is of simple design and is therefore inexpensive to manufacture.
L'invention sera mieux comprise à la lecture de la description qui suit, donnée en référence aux figures annexées suivantes : - la figure 1 qui représente en coupe longitudinale un premier exemple d'aérateur selon l'invention, en position de diffusion directe (f ig .1 a) et en position de diffusion indirecte (fig.ib) ;The invention will be better understood on reading the description which follows, given with reference to the following appended figures: FIG. 1, which represents in longitudinal section a first example of an aerator according to the invention, in a direct diffusion position (FIG. ig .1 a) and in indirect diffusion position (fig.ib);
- la figure 2 qui représente en coupe longitudinale un deuxième exemple d'aérateur selon l'invention, en position de diffusion directe (fig.2a) et en position de diffusion indirecte (fig.2b) ;- Figure 2 which shows in longitudinal section a second example of aerator according to the invention in the direct diffusion position (fig.2a) and indirect diffusion position (fig.2b);
- la figure 3 qui représente en coupe longitudinale un troisième exemple d'aérateur selon l'invention en position de diffusion directe.- Figure 3 which shows in longitudinal section a third example of aerator according to the invention in direct diffusion position.
Un premier exemple d'aérateur selon l'invention, représenté sur la figure 1 , est destiné à être encastré dans un orifice ménagé dans la planche de bord 1 du véhicule et à être connecté, par son extrémité amont, dans une zone de connexion 2 à un conduit d'air principal (non représenté), lui-même relié à l'installation de chauffage, ventilation et climatisation du véhicule. Le conduit d'air principal amène à l'aérateur un flux d'air amont symbolisé par la flèche 3.A first example of aerator according to the invention, shown in Figure 1, is intended to be embedded in an orifice in the dashboard 1 of the vehicle and to be connected, by its upstream end, in a connection zone 2 to a main air duct (not shown), itself connected to the heating, ventilation and air conditioning system of the vehicle. The main air duct brings to the aerator an upstream air flow symbolized by the arrow 3.
En aval de la zone de connexion 2, l'aérateur comporte deux conduits coaxiaux de sections circulaires, séparés par une paroi commune 4 cylindrique. Le conduit central 5 est dédié au passage d'un flux d'air aval directionnel, symbolisé par les flèches 6, dans l'habitacle 7 du véhicule. Le conduit annulaire 8 est dédié au passage d'un flux d'air aval de diffusion symbolisé par les flèches 9. La paroi commune 4 séparant les deux conduits 5, 8 est pourvue de perforations 10 espacées, situées dans sa partie amont et disposées selon une circonférence de ladite paroi commune 4.Downstream of the connection zone 2, the aerator comprises two coaxial conduits of circular sections, separated by a cylindrical common wall 4. The central duct 5 is dedicated to the passage of a directional downstream air flow, symbolized by the arrows 6, in the passenger compartment 7 of the vehicle. The annular duct 8 is dedicated to the passage of a downstream air flow of diffusion symbolized by the arrows 9. The common wall 4 separating the two ducts 5, 8 is provided with spaced perforations 10 located in its upstream portion and arranged according to a circumference of said common wall 4.
Le conduit annulaire 8 est défini d'une part par la paroi externe 11 de l'aérateur, et d'autre part par une bague cylindrique 12 insérée autour de la paroi commune 4 et pouvant tourner autour de son axe longitudinal. La partie frontale -13-de cette bague 12,-qurfait saillie~dans"rhabîtâclé"77^rtèljn¥sëTië~dê perforations 14 réparties sur sa périphérie (ou une perforation unique s'étendant sur tout ou partie de cette périphérie) par lesquelles le flux d'air aval de diffusion 9 pénètre dans l'habitacle, avec un orientation très nettement divergente par rapport à l'axe longitudinal de l'aérateur pour ne pas être dirigé vers les occupants du véhicule. La paroi de la bague 12 porte des perforations 15 espacées qui, lorsque la bague 12 est insérée dans l'aérateur, peuvent venir en correspondance avec les perforations 10 de la paroi commune 4 si la bague 12 est tournée par l'utilisateur (ou un dispositif à commande automatique) d'un angle adéquat.The annular duct 8 is defined on the one hand by the outer wall 11 of the aerator, and on the other hand by a cylindrical ring 12 inserted around the common wall 4 and rotatable about its longitudinal axis. -13-The front part of this ring 12, projecting -qurfait ~ in "rhabîtâclé" 77 ^ rtèljn ¥ ~ SITES of perforations 14 spread over its periphery (or a single perforation extending on all or part of this periphery) through which the downstream air flow 9 penetrates into the passenger compartment, with an orientation very clearly divergent with respect to the longitudinal axis of the aerator so as not to be directed towards the occupants of the vehicle. The wall of the ring 12 carries spaced perforations 15 which, when the ring 12 is inserted into the aerator, can come into correspondence with the perforations 10 of the common wall 4 if the ring 12 is turned by the user (or a automatically controlled device) of a suitable angle.
Lorsque cette correspondance est exactement réalisée (cas de la figure 1b), le flux d'air amont 3 a la possibilité de passer dans le conduit annulaire 8 à travers les perforations 10, 15, notamment si par ailleurs le conduit central 5 est obturé.When this correspondence is exactly made (case of Figure 1b), the upstream air flow 3 has the possibility of passing through the annular duct 8 through the perforations 10, 15, especially if the central duct 5 is closed.
Inversement, il doit exister une ou des positions angulaires possibles pour la bague 12 dans la ou lesquelles il n'y a pas de recouvrement entre les perforations 10 de la paroi commune 4 et 15 de la bague 12 (cas de la figure 1a). Dans ces conditions, les perforations 10 de la paroi commune 4 sont obturées, et l'intégralité du flux d'air amont 3 passe dans le conduit central 5.Conversely, there must be one or more possible angular positions for the ring 12 in which there is no overlap between the perforations 10 of the common wall 4 and 15 of the ring 12 (the case of FIG. 1a). Under these conditions, the perforations 10 of the common wall 4 are closed, and the entire flow of upstream air 3 passes into the central duct 5.
A cet effet, la rotation de la bague 12 commande également le déplacement d'une série de volets 16 (volet central) 17, 18 (volets frontaux). Le volet central 16 est disposé à l'intérieur du conduit central 5 et peut tourner autour d'un axe 19 qui, dans l'exemple représenté, est situé sensiblement sur l'axe longitudinal de l'aérateur et lui est perpendiculaire. L'axe 19 est également situé en aval des perforations 10 de la paroi commune 4. Lorsque la bague 12 est dans sa position commandant la seule restitution d'un flux d'air directionnel 6 (figure 1a), le volet central 16 est dans une position sensiblement alignée sur l'axe longitudinal de l'aérateur et ne gène donc pas la sortie du flux d'air directionnel 6. Inversement, lorsque la bague 12 est dans sa position commandant la seule restitution d'un flux d'air de diffusion 9 (figure 1b), le volet central 16 est dans une position pratiquement perpendiculaire à l'axe longitudinal de l'aérateur et vient en butée contre un renflement annulaire 20 ménagé-sur la-paroi commune~~De cettë"façôn^' N ' 6btuTè'¥énsTblêrnënt le conduit central 5 en aval des perforations 10, et comme les séries des perforations 10, 15 sont en correspondance l'une avec l'autre, tout le flux d'air amont 3 les traverse pour aller dans le conduit annulaire 8 et en sortir par les perforations 14.For this purpose, the rotation of the ring 12 also controls the movement of a series of flaps 16 (central flap) 17, 18 (front flaps). The central flap 16 is disposed inside the central duct 5 and can rotate about an axis 19 which, in the example shown, is located substantially on the longitudinal axis of the aerator and is perpendicular thereto. The axis 19 is also located downstream of the perforations 10 of the common wall 4. When the ring 12 is in its position controlling the only restitution of a directional air flow 6 (Figure 1a), the central flap 16 is in a position substantially aligned with the longitudinal axis of the aerator and therefore does not interfere with the output of the directional airflow 6. Conversely, when the ring 12 is in its position controlling the only return of an air flow of diffusion 9 (Figure 1b), the central flap 16 is in a position substantially perpendicular to the longitudinal axis of the aerator and abuts against an annular bulge 20 formed on-the-wall joint 4τ ~ ~ of this "way ^ 'N' 6btuTè énsTblêrnënt the central conduit 5 downstream of the perforations 10, as the series of perforations 10, 15 are in correspondence with each other, all the upstream air flow 3 passes through them to go into the annular duct 8 and out through the perforations 14.
Les volets frontaux 17, 18 situés à l'extrémité aval du conduit central 5 sont supportés par une bague 21. Ils peuvent, de même, tourner autour d'axes sensiblement perpendiculaires à l'axe longitudinal de l'aérateur. Lorsqu'ils sont en position ouverte maximale (figure 1a) ils ne gênent pas la sortie du flux d'air directionnel 6 et contribuent à son orientation. Lorsqu'ils sont en position fermée (fig.ib) ils contribuent à l'obturation du conduit central 5, par exemple en venant chacun en butée d'une part contre la périphérie du conduit central 5 et/ou d'autre part contre un côté de l'autre volet frontal 17, 18 (cas représenté sur la figure 1b).The front flaps 17, 18 at the downstream end of the central duct 5 are supported by a ring 21. They can similarly rotate about axes substantially perpendicular to the longitudinal axis of the aerator. When in the maximum open position (Figure 1a) they do not interfere with the output of the directional air flow 6 and contribute to its orientation. When they are in the closed position (fig.ib) they contribute to the closing of the central duct 5, for example each coming into abutment on the one hand against the periphery of the central duct 5 and / or on the other hand against a side of the other front panel 17, 18 (case shown in Figure 1b).
De préférence, la bague 12 et les volets 16, 17, 18 peuvent, à la demande de l'utilisateur, prendre une ou plusieurs positions intermédiaires, préréglées ou non, voire pouvoir passer de façon continûment progressive, entre les deux positions extrêmes qui ont été décrites et représentées. On peut ainsi moduler de façon plus ou moins fine les proportions respectives d'air aval directionnel 6 et d'air aval de diffusion 9. Ces positions intermédiaires pourraient être préréglées au moyen, par exemple, d'un crantage ménagé sur la périphérie de la bague 12. II doit être entendu qu'il n'est pas indispensable dans l'esprit de l'invention de prévoir à la fois un volet central 16 et des volets frontaux 17, 18, l'essentiel étant qu'il existe au moins un volet (ou un quelconque dispositif fonctionnellement équivalent) qui puisse assurer à la demande de l'utilisateur l'obturation sensiblement totale du conduit central 5 par rotation de la bague 12. Un volet unique similaire au volet 16 mais situé dans la partie frontale de l'aérateur pourrait, par exemple, être utilisé, en particulier si l'orientation précise du flux d'air aval directionnel 6 était assuré par d'autres moyens indépendants.Preferably, the ring 12 and the flaps 16, 17, 18 can, at the request of the user, take one or more intermediate positions, preset or not, or even be able to pass continuously continuously, between the two extreme positions that have have been described and represented. It is thus possible to modulate in a more or less fine manner the respective proportions of downstream directional air 6 and downstream diffusion air 9. These intermediate positions could be preset by means of, for example, a notching provided on the periphery of the ring 12. It should be understood that it is not essential in the spirit of the invention to provide both a central flap 16 and front flaps 17, 18, the essential being that there is at least a shutter (or any functionally equivalent device) which can ensure at the request of the user the substantially complete closure of the central duct 5 by rotation of the ring 12. A single flap similar to the flap 16 but located in the front part of the aerator could, for example, be used, particularly if the precise orientation of the directional downstream airflow 6 was provided by other independent means.
Un deuxième exemple d'aérateur selon l'invention est représenté sur la figure 2. Les éléments communs avec l'exemple de la figure 1 sont repérés par les mêmes références numériques.A second example of aerator according to the invention is shown in Figure 2. The elements common with the example of Figure 1 are identified by the same reference numerals.
Oans"cet-exemplerO'est-|a~ba^uê~î2~ëllë-fïï^^^ commune aux deux conduits 5, 8. D'autre part, elle comporte, sur sa face tournée vers la paroi externe 11 de l'aérateur, une ou des nervures hélicoïdales 22 qui viennent s'insérer dans un ou des logements 23 correspondants ménagés sur une pièce solidaire de la paroi externe 11. De cette façon, une rotation appliquée à la bague 12 permet, selon son sens, de la faire avancer en direction de l'habitacle 7 ou de la faire reculer en direction de la planche de bord 1. Tout autre moyen équivalent permettant d'assurer une translation de la bague 12 simultanément à sa rotation serait également utilisable.Oans "this-exemplerO'est- | a ~ ba ^ U ~ i2 ~ ^^^ her FII common to both lines 5, 8. Furthermore, it includes, on its face to the outer wall 11 of the aerator, one or more helical ribs 22 which are inserted into one or corresponding housing 23 formed on a part integral with the outer wall 11. In this way, a rotation applied to the ring 12 allows, according to its direction, to advance towards the cockpit 7 or back to the dashboard 1. Any other equivalent means to ensure a translation of the ring 12 simultaneously to its rotation would also usable.
La partie frontale de la bague 12 comporte sur toute sa périphérie une lèvre 24 qui, lorsque la bague 12 est en position de recul maximal (cas de la figure 2a), vient au contact de la face externe de la planche de bord 1. Dans cette position, la lèvre 24 obture donc totalement le conduit annulaire 8. Comme, simultanément, les volets 16, 17, 18 sont dans leurs positions respectives d'ouverture maximale, l'intégralité du flux d'air amont 3 est convertie en flux d'air aval directionnel 6 en sortant du conduit central 5. Pour réaliser l'obturation du conduit annulaire 8, on peut, en plus ou à la place de la lèvre 24, prévoir que dans cette position, l'extrémité arrière 25 de la bague 12 vienne au contact de la paroi externe 11 de l'aérateur.The front portion of the ring 12 has over its entire periphery a lip 24 which, when the ring 12 is in the maximum recoil position (case of Figure 2a), comes into contact with the outer face of the dashboard 1. In this position, the lip 24 thus completely closes the annular duct 8. As, simultaneously, the flaps 16, 17, 18 are in their respective positions of maximum opening, the entirety of the upstream air flow 3 is converted into a flow of 6 directional downstream air leaving the central duct 5. To achieve the closure of the annular duct 8, it can, in addition to or instead of the lip 24, provide that in this position, the rear end 25 of the ring 12 comes into contact with the outer wall 11 of the aerator.
Inversement, lorsque la bague 12 est en position avancée (cas de la figure 2b), la lèvre 24 est située à l'écart de la planche de bord 1 et ménage donc une ouverture annulaire 26. Comme, également, l'extrémité arrière 25 de la bague 12 est éloignée de la paroi externe 11 , le flux d'air amont 3 a la possibilité de pénétrer dans le conduit annulaire 8 et d'en sortir par l'ouverture 26. Parallèlement, les volets 16, 17, 18 sont tous en position fermée (les portées 20 sur lesquelles le volet central 16 vient en appui sont ici ménagées sur la bague 12), obturant ainsi le conduit central 5. C'est donc l'intégralité du flux d'air amont 3 qui est convertie en flux d'air aval de diffusion 9.Conversely, when the ring 12 is in the advanced position (case of Figure 2b), the lip 24 is located away from the dashboard 1 and thus provides an annular opening 26. As also the rear end 25 of the ring 12 is remote from the outer wall 11, the upstream air flow 3 has the possibility of entering the annular duct 8 and exit through the opening 26. In parallel, the flaps 16, 17, 18 are all in the closed position (the bearing surfaces 20 on which the central flap 16 abuts are here provided on the ring 12), thus closing the central duct 5. It is therefore the entirety of the upstream air flow 3 which is converted in downstream air flow of diffusion 9.
Là encore, de préférence, une ou des positions intermédiaires entre celles décrites et représentées peuvent être sélectionnables par l'utilisateur.Again, preferably, one or more intermediate positions between those described and shown may be selectable by the user.
En variante, on pourrait imaginer d'autres configurations pour la bague 12, l'essentiel étant, dans ce mode de mise en œuvre de l'invention, que le passage d'un-mode de fonctionπement à l'autrêT^'ëffelîïué^p^Tπjn^ifalTsIâfiόTi èf une rotation combinées de la bague 12. L'axe de rotation de la bague 12 pouvant être confondu avec l'axe longitudinal de l'aérateur, l'installation de l'aérateur dans la planche de bord 1 ne pose pas de problèmes particuliers.Alternatively, one could imagine other configurations for the ring 12, the essential being, in this embodiment of the invention, that the passage of a mode of operationπement to the other ^ffelîïué ^ The combination of the ring 12 is combined with a rotation of the ring 12. The axis of rotation of the ring 12 can be confused with the longitudinal axis of the aerator, the installation of the aerator in the dashboard 1 does not pose any particular problems.
Dans l'exemple décrit et représenté, le conduit annulaire 8 s'étend sur l'ensemble de la périphérie du conduit centra 5, mais cette caractéristique n'est pas obligatoire : le conduit annulaire 8 peut ne s'étendre que sur une partie de cette périphérie.In the example described and shown, the annular duct 8 extends over the entire periphery of the central duct 5, but this characteristic is not mandatory: the annular duct 8 may extend only over a portion of this periphery.
L'exemple d'aérateur selon l'invention représenté sur la figure 3 présente cette caractéristique. Il est comparable, dans sa conception générale, à celui de la figure 1 , en ce que la bague 12 est insérée autour de la paroi commune 4 des deux conduits central 5 et annulaire 8 et effectue lors de ses mouvements une rotation pure, sans translation. Il s'en distingue sur les points suivants :The example of aerator according to the invention shown in Figure 3 has this feature. It is comparable, in its general design, to that of Figure 1, in that the ring 12 is inserted around the common wall 4 of the two central ducts 5 and annular 8 and performs during its movements a pure rotation, without translation . It differs in the following points:
- le conduit annulaire 8 ne s'étend que sur une portion (par exemple, comme représenté, la moitié supérieure) de la périphérie de l'aérateur : on voit sur la figure 3 que dans la partie inférieure de l'aérateur, la bague 12 est emprisonnée entre la paroi commune 4 et la paroi externe 11 avec un simple jeu fonctionnel autorisant sa rotation ;- The annular duct 8 extends only over a portion (for example, as shown, the upper half) of the periphery of the aerator: it is seen in Figure 3 that in the lower part of the aerator, the ring 12 is trapped between the common wall 4 and the outer wall 11 with a simple functional game allowing its rotation;
- le flux d'air aval de diffusion 9 peut s'échapper du conduit annulaire 8 par une perforation unique 27 s'étendant sur la périphérie du conduit annulaire 8the downstream diffusion air stream 9 can escape from the annular duct 8 by a single perforation 27 extending on the periphery of the annular duct 8
(ou une pluralité de telles perforations réparties sur la périphérie du conduit annulaire 8) ; celle-ci est ménagée non plus sur la bague 12 mais sur la paroi externe 11 ; le flux d'air aval de diffusion est orienté dans l'habitacle 7 par un pavillon 28 fixé sur ou intégré à la paroi externe 11 et encastrable dans la planche de bord 1 ; il serait également envisageable que ces caractéristiques (perforation(s) 27 ménagée(s) sur la paroi externe 11 et pavillon 28 rabattant le flux d'air aval de diffusion 9 dans l'habitacle 7) soient adaptées au cas où le conduit annulaire 8 s'étend sur toute la périphérie de l'aérateur.(or a plurality of such perforations distributed over the periphery of the annular duct 8); it is formed not on the ring 12 but on the outer wall 11; the downstream diffusion air flow is oriented in the passenger compartment 7 by a horn 28 fixed on or integrated to the outer wall 11 and recessed in the dashboard 1; it would also be conceivable that these characteristics (perforation (s) 27 formed (s) on the outer wall 11 and flag 28 tilting the downstream airstream diffusion 9 in the passenger compartment 7) are adapted to the case where the annular conduit 8 extends over the entire periphery of the aerator.
Dans les exemples représentés, le volet central 16 et les volets frontaux 17, 18 peuvent être actionnés de manière synchronisée au moyen de biellettesr de-telle-sorte qu'une-action suri'urrdës~volëts"16, ~Λ 7"18"~~repè7cύTë sur les autres. De préférence, également, une liaison à biellettes sphériques permet de faire tourner la bague 21 supportant les volets frontaux 17, 18 autour de l'axe longitudinal de l'aérateur indépendamment du volet central 16, de manière à orienter le flux d'air aval directionnel 6 comme l'utilisateur le souhaite. La rotation du volet central 16 autour de l'axe 19 lorsque l'on actionne la bague de commande 12 peut se faire par un système à crémaillère et engrenage, se déplaçant l'un par rapport à l'autre lorsque l'on actionne la bague de commande 12. Par exemple, lorsque le volet central 16 est embarqué sur la bague de commande 12, l'axe 19 comprend un engrenage solidaire du volet central 16, et la crémaillère est portée par une partie fixe de l'aérateur. Dans le cas où le volet central 16 est embarqué sur une partie fixe de l'aérateur, alors la crémaillère est montée sur la bague de commande. La forme de la crémaillère est adaptée à la rotation pure (cas de la figure 1) ou hélicoïdale (cas de la figure 2) de la bague de commande 12.In the examples shown, the central flap 16 and the front flaps 17, 18 can be actuated in a synchronized manner by means of rods of such-such-a-action suri'urrdës ~ volets " 16, ~ Λ 7 " 18 "~~ repè7cύTë on the other. preferably, also, a bond spherical rods allows to turn the ring 21 supporting the front flaps 17, 18 around the longitudinal axis of the aerator independently of the central flap 16, so as to orient the directional downstream air flow 6 as the user wishes. The rotation of the central flap 16 about the axis 19 when the control ring 12 is actuated can be done by a rack and gear system, moving relative to each other when the actuator is actuated. For example, when the central flap 16 is embedded on the control ring 12, the axis 19 comprises a gear secured to the central flap 16, and the rack is carried by a fixed portion of the aerator. In the case where the central flap 16 is embedded on a fixed part of the aerator, then the rack is mounted on the control ring. The shape of the rack is adapted to the pure rotation (case of FIG. 1) or helicoidal rotation (case of FIG. 2) of the control ring 12.
Ces exemples de configurations des moyens de commande des mouvements des volets 16, 17, 18 sont connus en eux-mêmes. These examples of configurations of the flap movement control means 16, 17, 18 are known per se.

Claims

REVENDICATIONS
1. Aérateur de système de ventilation de l'habitacle (7) d'un véhicule automobile, constituant la partie terminale d'un conduit d'air principal convoyant un flux d'air amont (3), ledit aérateur étant pourvu de moyens de diffusion pour convertir le flux d'air amont (3) en un flux d'air aval de diffusion (9), de moyens directionnels pour convertir le flux d'air amont en un flux d'air aval directionnel (6), et de moyens de commande pour passer d'un mode de flux d'air aval à l'autre par la connexion des uns ou des autres des moyens de diffusion et des moyens directionnels audit conduit d'air principal, caractérisé en ce qu'il comporte un conduit central (5) au moins partiellement coaxial à un conduit annulaire (8), les deux conduits (5, 8) ayant leurs extrémités amont (2) connectées au conduit d'air principal et chacun ayant à son extrémité aval l'un desdits moyens de diffusion et desdits moyens directionnels, et une bague de commande (12) pouvant être placée entre une première position où elle a pour fonction de fermer une connexion entre le conduit central (5) et le conduit annulaire (8) et une deuxième position où la bague (12) a pour fonction d'ouvrir ladite connexion.1. aerator ventilation system of the passenger compartment (7) of a motor vehicle, constituting the end portion of a main air duct conveying an upstream air flow (3), said aerator being provided with means of diffusion for converting the upstream air flow (3) into a downstream diffusion air flow (9), directional means for converting the upstream air flow into a directional downstream air flow (6), and control means for switching from one downstream air flow mode to the other by connecting one or the other of the diffusion means and directional means to said main air duct, characterized in that it comprises a central duct (5) at least partially coaxial with an annular duct (8), the two ducts (5, 8) having their upstream ends (2) connected to the main air duct and each having at its downstream end one of said diffusion means and said directional means, and a control ring (12) which can be placed between a first position where it has the function of closing a connection between the central duct (5) and the annular duct (8) and a second position where the ring (12) has the function of opening said connection.
2. Aérateur selon la revendication 1 , caractérisé en ce qu'il comporte également des moyens d'obturation du conduit central (5) commandés par le déplacement de la bague (12).2. Aerator according to claim 1, characterized in that it also comprises means for closing the central duct (5) controlled by the displacement of the ring (12).
3. Aérateur selon la revendication 2, caractérisé en ce que lesdits moyens d'obturation du conduit central (5) sont constitués par au moins un volet (16, 17, 18).3. Aerator according to claim 2, characterized in that said means for closing the central duct (5) are constituted by at least one flap (16, 17, 18).
4. Aérateur selon l'une des revendications 1 à 3, caractérisé en ce qu'une paroi commune (4) cylindrique sépare le conduit central (5) et le conduit annulaire (8), en ce que ladite paroi commune (4) est pourvue de perforations4. Aerator according to one of claims 1 to 3, characterized in that a common cylindrical wall (4) separates the central duct (5) and the annular duct (8), in that said common wall (4) is perforated
(10) selon une de ses circonférences, et en ce que ladite bague (12) est insérée autour de ladite paroi commune (4) et porte des perforations (15) pouvant, par rotation de la bague (12), jusqu'à au moins une position angulaire, venir en correspondance avec lesdites perforations (10) de la paroi commune (4), ladite(10) according to one of its circumferences, and in that said ring (12) is inserted around said common wall (4) and carries perforations (15) which, by rotation of the ring (12), up to minus an angular position, coming into correspondence with said perforations (10) of the common wall (4), said
- bague (42)~pouvant égalementr par- rotation'jusqϋ'à'aτr rnoinslïnë~àϋîfe position" angulaire, obturer lesdites perforations (10) de la paroi commune (4). - ring (42) ~ may égalementr par- rotation'jusqϋ'à 'aτr rnoinslïnë ~ àϋîfe position "angular, seal said perforations (10) of the common wall (4).
5. Aérateur selon la revendication 4, caractérisé en ce que lesdits moyens de diffusion comportent une ou des perforations (14) ménagées, à l'extrémité dudit conduit annulaire (8), dans la partie frontale (13) de la bague (12) destinée à faire saillie dans l'habitacle (7) du véhicule lorsque l'aérateur est monté dans la planche de bord (1).5. Aerator according to claim 4, characterized in that said diffusion means comprise one or perforations (14) formed at the end of said annular duct (8) in the front portion (13) of the ring (12). intended to protrude into the passenger compartment (7) of the vehicle when the aerator is mounted in the dashboard (1).
6. Aérateur selon l'une des revendications 1 à 3, caractérisé en ce que ladite bague (12) constitue une paroi commune cylindrique séparant le conduit central (5) et le conduit annulaire (8), en ce qu'il comporte des moyens permettant d'assurer une translation de la bague (12) le long de son axe longitudinal simultanément à sa rotation pour faire passer la bague (12) d'une position d'obturation du conduit annulaire (8) à une position d'obturation du conduit central (5).6. Aerator according to one of claims 1 to 3, characterized in that said ring (12) is a cylindrical common wall separating the central duct (5) and the annular duct (8), in that it comprises means allowing to ensure a translation of the ring (12) along its longitudinal axis simultaneously with its rotation to move the ring (12) from a closed position of the annular conduit (8) to a closed position of the central duct (5).
7. Aérateur selon la revendication 6, caractérisé en ce que la partie frontale de la bague (12) comporte sur sa périphérie une lèvre (24) qui, lorsque la bague (12) est en position de recul maximal, est destinée à venir au contact de la face externe de la planche de bord (1) pour obturer le conduit annulaire (8), en ce que, lorsque la bague (12) est dans une position avancée, son extrémité arrière (25) est éloignée de la paroi externe (11) de l'aérateur de manière à autoriser le passage d'au moins une partie du flux d'air amont (3) dans le conduit annulaire (8) pour constituer le flux d'air de diffusion (9), et en ce que dans cette même position avancée, la lèvre (24) est destinée à être éloignée de la planche de bord (1) de manière à définir une ouverture annulaire (26) par laquelle le flux d'air de diffusion (9) peut pénétrer dans l'habitacle (7).7. Aerator according to claim 6, characterized in that the front portion of the ring (12) has on its periphery a lip (24) which, when the ring (12) is in the maximum recoil position, is intended to come to contact of the outer face of the dashboard (1) to close the annular duct (8), in that, when the ring (12) is in an advanced position, its rear end (25) is remote from the outer wall (11) of the aerator so as to allow passage of at least a portion of the upstream air flow (3) into the annular duct (8) to form the diffusion air flow (9), and in that same advanced position, the lip (24) is intended to be remote from the dashboard (1) so as to define an annular opening (26) through which the diffusion air flow (9) can penetrate in the cockpit (7).
8. Aérateur selon la revendication 6 ou 7, caractérisé en ce que lesdits moyens permettant d'assurer une translation de la bague (12) simultanément à sa rotation comportent une ou des nervures hélicoïdales (22) qui viennent s'insérer dans un ou des logements correspondants (23) ménagés sur une pièce solidaire de la paroi externe (11) de l'aérateur.8. Aerator according to claim 6 or 7, characterized in that said means for ensuring a translation of the ring (12) simultaneously with its rotation comprise one or more helical ribs (22) which are inserted into one or more corresponding housings (23) formed on a part integral with the outer wall (11) of the aerator.
9. Aérateur selon la revendication 4, caractérisé en ce que lesdits moyens de diffusion comportent au moins une perforation (27) ménagée sur au moins une portion de~la parorexterner(tî)~de~ l'aérateur, et "pariâqûellè~le~flu>T d'air aval de diffusion (9) pénètre dans l'habitacle (7). 9. An aerator according to claim 4, characterized in that said diffusion means comprise at least one perforation (27) formed on at least a portion of ~ the parorexterner (tî) ~ ~ aerator, and " pariâqûellè ~ the ~ air flow downstream (9) enters the cabin (7).
10. Aérateur selon la revendication 9, caractérisé en ce qu'il comporte un pavillon (28) orientant dans l'habitacle (7) le flux d'air aval de diffusion (9) sortant de la perforation (27).10. Aerator according to claim 9, characterized in that it comprises a flag (28) orienting in the passenger compartment (7) the downstream air flow diffusion (9) out of the perforation (27).
11. Aérateur selon l'une des revendications 1 à 10, caractérisé en ce que ladite bague (12) peut être maintenue dans au moins une position intermédiaire entre lesdites première et deuxième positions, de manière à autoriser simultanément le passage d'un flux aval d'air de diffusion (9) et d'un flux d'air aval directionnel (6) dans l'habitacle (7). 11. Aerator according to one of claims 1 to 10, characterized in that said ring (12) can be maintained in at least one intermediate position between said first and second positions, so as to simultaneously allow the passage of a downstream flow. diffusion air (9) and a directional downstream air flow (6) in the passenger compartment (7).
EP05815078A 2004-11-03 2005-10-27 Ventilator flap for a ventilation system in a vehicle cabin Active EP1814752B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0411729A FR2877271B1 (en) 2004-11-03 2004-11-03 VENTILATION SYSTEM AERATOR OF THE CABIN OF A VEHICLE
PCT/FR2005/002701 WO2006048538A1 (en) 2004-11-03 2005-10-27 Ventilator flap for a ventilation system in a vehicle cabin

Publications (2)

Publication Number Publication Date
EP1814752A1 true EP1814752A1 (en) 2007-08-08
EP1814752B1 EP1814752B1 (en) 2008-04-02

Family

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EP05815078A Active EP1814752B1 (en) 2004-11-03 2005-10-27 Ventilator flap for a ventilation system in a vehicle cabin

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US (1) US20080119125A1 (en)
EP (1) EP1814752B1 (en)
CN (1) CN100513217C (en)
AT (1) ATE391034T1 (en)
DE (1) DE602005005848T2 (en)
ES (1) ES2302251T3 (en)
FR (1) FR2877271B1 (en)
WO (1) WO2006048538A1 (en)

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Also Published As

Publication number Publication date
ES2302251T3 (en) 2008-07-01
CN101080334A (en) 2007-11-28
FR2877271A1 (en) 2006-05-05
CN100513217C (en) 2009-07-15
US20080119125A1 (en) 2008-05-22
DE602005005848D1 (en) 2008-05-15
DE602005005848T2 (en) 2009-05-14
ATE391034T1 (en) 2008-04-15
FR2877271B1 (en) 2007-02-02
WO2006048538A1 (en) 2006-05-11
EP1814752B1 (en) 2008-04-02

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